The russet nightingale-thrush (Catharus occidentalis) is a species of bird in the family Turdidae. It is endemic to Mexico.
Its natural habitat is subtropical or tropical moist montane forests.
Crown, back and wings brown. Face pale gray. Throat and belly pale gray, washed dusky. Breast pale gray mottled dusky. Juveniles more strongly mottled on breast and sides.Very similar to the ruddy-capped nightingale-thrush. Tell apart from song or in flight by yellow bar on the secondary feathers below the wing, present only in the russet nightingale-thrush.